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Bug 400211

Summary:	RFE: Provide a method to fail over a service to another node after X number of restarts.
Product:	Red Hat Enterprise Linux 5	Reporter:	Lon Hohberger <lhh>
Component:	rgmanager	Assignee:	Lon Hohberger <lhh>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.1	CC:	cluster-maint, rkenna, rmccabe, tao
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	RHBA-2008-0353	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-05-21 14:30:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	247139
Bug Blocks:	429350, 431130

Description Lon Hohberger 2007-11-26 21:49:32 UTC

For RH clustering the default recovery policy (when no recovery policy is
specified) on RHEL4 cluster is restart - "Restart the service in the node the
service is currently located.".

The desired behavior is to retry a restart on the same node, if that fails again
a failover to another node should be done.

Current default behavior appears endless attempts to restart.

RHEL3 had relocate after X restarts as well as a notion of "false"
starts, which is a special kind of restart.

-- Additional comment from lhh on 2007-11-20 18:06 EST --

Following patch allows a user to set max_restarts="x" and
restart_expire_time="y" in cluster.conf for services and virtual machines.

Basically, restart_expire_time allows one to throttle restarts - that is, if X
restarts occur within Y seconds, relocate the service instead of restarting it.
 Requires recovery_policy="restart" (which is the default).

Also makes the parsing of time values more robust; you can now enter things
like : 1h30m as part of resource metadata or in cluster.conf.

-- Additional comment from lhh on 2007-11-20 18:55 EST --
Created an attachment (id=265531)
Tested patch


Patches in CVS.

Comment 2 Lon Hohberger 2007-11-26 21:52:12 UTC

*** Bug 247139 has been marked as a duplicate of this bug. ***

Comment 3 RHEL Program Management 2007-11-26 21:54:28 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 5 Lon Hohberger 2008-02-01 15:15:33 UTC

*** Bug 431130 has been marked as a duplicate of this bug. ***

Comment 7 errata-xmlrpc 2008-05-21 14:30:46 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2008-0353.html